The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A155637 10^n+5^n-1. 15
 1, 14, 124, 1124, 10624, 103124, 1015624, 10078124, 100390624, 1001953124, 10009765624, 100048828124, 1000244140624, 10001220703124, 100006103515624, 1000030517578124, 10000152587890624, 100000762939453124 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Harvey P. Dale, Table of n, a(n) for n = 0..998 Index entries for linear recurrences with constant coefficients, signature (16,-65,50). FORMULA G.f.: 1/(1-10*x)+1/(1-5*x)-1/(1-x). E.g.f.: e^(10*x)+e^(5*x)-e^x. a(n)=15*a(n-1)-50*a(n-2)-36 with a(0)=1, a(1)=14 - Vincenzo Librandi, Jul 21 2010 a(0)=1, a(1)=14, a(2)=124, a(n)=16*a(n-1)-65*a(n-2)+50*a(n-3) [From Harvey P. Dale, Oct 17 2011] MAPLE A155637:=n->10^n+5^n-1; seq(A155637(n), n=0..20); # Wesley Ivan Hurt, Feb 02 2014 MATHEMATICA Table[10^n+5^n-1, {n, 0, 20}] (* or *) LinearRecurrence[{16, -65, 50}, {1, 14, 124}, 20] (* Harvey P. Dale, Oct 17 2011 *) PROG (PARI) a(n)=10^n+5^n-1 \\ Charles R Greathouse IV, Jun 11 2015 CROSSREFS Cf. A155624, A155625, A155626, A155627, A155628, A155629, A155630, A155631, A155632, A155633, A155634, A155635, A155636. Sequence in context: A147590 A167602 A212234 * A126535 A222647 A041001 Adjacent sequences:  A155634 A155635 A155636 * A155638 A155639 A155640 KEYWORD nonn,easy AUTHOR Mohammad K. Azarian, Jan 30 2009 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified January 24 00:13 EST 2021. Contains 340398 sequences. (Running on oeis4.)